[mirotalksfu] - fix typo [skip ci]

README.md

@@ -16,7 +16,7 @@ This project is proudly sponsored by
 
 <h1 align=center>Recall.ai - API for meeting recording</h1>
 <p align="center">
-    <a href="https://www.recall.ai">Recall.ai</a> – an API for recording Zoom, Google Meet, Microsoft Teams, and in-person meetings.
+    <a href="https://recall.ai/?utm_source=mirotalksfu&utm_medium=sponsorship">Recall.ai</a> – an API for recording Zoom, Google Meet, Microsoft Teams, and in-person meetings.
 </p>
 
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